I believe they were BSing you. The contestants would be telling everybody once they got off the show, or at least leaking it out (that they were given food etc.) I think I would have forearmed Honora in the water after chasing her to the river when she was throwing the machete in the water and then...

I am against killing without eating what you kill. Killing lions is simply barbaric. The guy in question however, probably believes its sporting. And he probably was never told the truth about what he was doing, besides killing a lion. That being said, he is a POS....